Redding - T7/Big Boss Primer Arm Assembly (Large) Federal Seat Plug #20 suits the

Seat Plug #20 suits the following

BALLISTOL contains a harmless combination of anti-oxidants and medical oils so that it is not susceptible to aging and does not resinify for years

the Cu+2 Copper Remover rapidly oxidizes and breaks down copper fouling by reconfiguring its electronic state

Drawn to even tighter standards of jacket wall concentricity

Redding - T7/Big Boss Primer Arm Assembly (Large) Federal Seat Plug #20 suits theQuickly change primer cup & pin size by simply exchanging the entire primer arm assembly. Fits both the T 7 and Big Boss Presses. A reloader never knows when a part might break. Be prepared for anything with these high quality factory replacement parts that will have your Redding T 7 or Big Boss presses running like new.